package com.example.demo.config;

import org.springframework.stereotype.Component;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Component
public  class CorsFilter implements Filter {
	/*跨域请求配置*/
	@Override
	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
		HttpServletResponse response = (HttpServletResponse) res;

		HttpServletRequest reqs = (HttpServletRequest) req;
		response.setHeader("Access-Control-Allow-Origin","*");
		response.setHeader("Access-Control-Allow-Credentials", "true");
		response.setHeader("Access-Control-Allow-Methods", "POST, PUT, GET, OPTIONS, DELETE");
		response.setHeader("Access-Control-Max-Age", "5000");
		response.setHeader("Access-Control-Allow-Headers", "Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires, Content-Type, X-E4M-With,Authorization,Token");
		chain.doFilter(req, res);
	}
	@Override
	public void init(FilterConfig filterConfig) {}
	@Override
	public void destroy() {}
}

